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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Tony Lindgrendbdf9ced2005-07-10 19:58:11 +01002 * linux/arch/arm/mach-omap1/board-perseus2.c
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
4 * Modified from board-generic.c
5 *
6 * Original OMAP730 support by Jean Pihet <j-pihet@ti.com>
7 * Updated for 2.6 by Kevin Hilman <kjh@hilman.org>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 */
13
14#include <linux/kernel.h>
15#include <linux/init.h>
Russell Kingd052d1b2005-10-29 19:07:23 +010016#include <linux/platform_device.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070017#include <linux/delay.h>
18#include <linux/mtd/mtd.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010019#include <linux/mtd/nand.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070020#include <linux/mtd/partitions.h>
Ladislav Michl561b0362010-02-15 10:03:32 -080021#include <linux/mtd/physmap.h>
Tony Lindgren9b6553c2006-04-02 17:46:30 +010022#include <linux/input.h>
Ladislav Michl3bc48012009-12-11 16:16:33 -080023#include <linux/smc91x.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
Russell Kinga09e64f2008-08-05 16:14:15 +010025#include <mach/hardware.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070026#include <asm/mach-types.h>
27#include <asm/mach/arch.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070028#include <asm/mach/map.h>
29
Tony Lindgrence491cf2009-10-20 09:40:47 -070030#include <plat/tc.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010031#include <mach/gpio.h>
Tony Lindgrence491cf2009-10-20 09:40:47 -070032#include <plat/mux.h>
33#include <plat/fpga.h>
Ladislav Michl561b0362010-02-15 10:03:32 -080034#include <plat/flash.h>
Tony Lindgrence491cf2009-10-20 09:40:47 -070035#include <plat/keypad.h>
36#include <plat/common.h>
37#include <plat/board.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070038
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +000039static const unsigned int p2_keymap[] = {
40 KEY(0, 0, KEY_UP),
41 KEY(1, 0, KEY_RIGHT),
42 KEY(2, 0, KEY_LEFT),
43 KEY(3, 0, KEY_DOWN),
44 KEY(4, 0, KEY_ENTER),
45 KEY(0, 1, KEY_F10),
46 KEY(1, 1, KEY_SEND),
47 KEY(2, 1, KEY_END),
48 KEY(3, 1, KEY_VOLUMEDOWN),
49 KEY(4, 1, KEY_VOLUMEUP),
50 KEY(5, 1, KEY_RECORD),
51 KEY(0, 2, KEY_F9),
52 KEY(1, 2, KEY_3),
53 KEY(2, 2, KEY_6),
54 KEY(3, 2, KEY_9),
55 KEY(4, 2, KEY_KPDOT),
56 KEY(0, 3, KEY_BACK),
57 KEY(1, 3, KEY_2),
58 KEY(2, 3, KEY_5),
59 KEY(3, 3, KEY_8),
60 KEY(4, 3, KEY_0),
61 KEY(5, 3, KEY_KPSLASH),
62 KEY(0, 4, KEY_HOME),
63 KEY(1, 4, KEY_1),
64 KEY(2, 4, KEY_4),
65 KEY(3, 4, KEY_7),
66 KEY(4, 4, KEY_KPASTERISK),
67 KEY(5, 4, KEY_POWER),
Tony Lindgren9b6553c2006-04-02 17:46:30 +010068};
69
Ladislav Michl3bc48012009-12-11 16:16:33 -080070static struct smc91x_platdata smc91x_info = {
71 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
72 .leda = RPC_LED_100_10,
73 .ledb = RPC_LED_TX_RX,
74};
75
Linus Torvalds1da177e2005-04-16 15:20:36 -070076static struct resource smc91x_resources[] = {
77 [0] = {
78 .start = H2P2_DBG_FPGA_ETHR_START, /* Physical */
79 .end = H2P2_DBG_FPGA_ETHR_START + 0xf,
80 .flags = IORESOURCE_MEM,
81 },
82 [1] = {
Alistair Buxton372b1c32009-09-18 04:09:39 +010083 .start = INT_7XX_MPU_EXT_NIRQ,
Linus Torvalds1da177e2005-04-16 15:20:36 -070084 .end = 0,
Russell Kinge7b3dc72008-01-14 22:30:10 +000085 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
Linus Torvalds1da177e2005-04-16 15:20:36 -070086 },
87};
88
Tony Lindgren9b6553c2006-04-02 17:46:30 +010089static struct mtd_partition nor_partitions[] = {
Linus Torvalds1da177e2005-04-16 15:20:36 -070090 /* bootloader (U-Boot, etc) in first sector */
91 {
92 .name = "bootloader",
93 .offset = 0,
94 .size = SZ_128K,
95 .mask_flags = MTD_WRITEABLE, /* force read-only */
96 },
97 /* bootloader params in the next sector */
98 {
99 .name = "params",
100 .offset = MTDPART_OFS_APPEND,
101 .size = SZ_128K,
102 .mask_flags = 0,
103 },
104 /* kernel */
105 {
106 .name = "kernel",
107 .offset = MTDPART_OFS_APPEND,
108 .size = SZ_2M,
109 .mask_flags = 0
110 },
111 /* rest of flash is a file system */
112 {
113 .name = "rootfs",
114 .offset = MTDPART_OFS_APPEND,
115 .size = MTDPART_SIZ_FULL,
116 .mask_flags = 0
117 },
118};
119
Ladislav Michl561b0362010-02-15 10:03:32 -0800120static struct physmap_flash_data nor_data = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121 .width = 2,
Ladislav Michl561b0362010-02-15 10:03:32 -0800122 .set_vpp = omap1_set_vpp,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100123 .parts = nor_partitions,
124 .nr_parts = ARRAY_SIZE(nor_partitions),
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125};
126
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100127static struct resource nor_resource = {
Tony Lindgren7c38cf02005-09-08 23:07:38 +0100128 .start = OMAP_CS0_PHYS,
129 .end = OMAP_CS0_PHYS + SZ_32M - 1,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700130 .flags = IORESOURCE_MEM,
131};
132
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100133static struct platform_device nor_device = {
Ladislav Michl561b0362010-02-15 10:03:32 -0800134 .name = "physmap-flash",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700135 .id = 0,
136 .dev = {
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100137 .platform_data = &nor_data,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138 },
139 .num_resources = 1,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100140 .resource = &nor_resource,
141};
142
Ladislav Michl414f5522009-12-11 16:16:33 -0800143static void nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
144{
145 struct nand_chip *this = mtd->priv;
146 unsigned long mask;
147
148 if (cmd == NAND_CMD_NONE)
149 return;
150
151 mask = (ctrl & NAND_CLE) ? 0x02 : 0;
152 if (ctrl & NAND_ALE)
153 mask |= 0x04;
154 writeb(cmd, (unsigned long)this->IO_ADDR_W | mask);
155}
156
157#define P2_NAND_RB_GPIO_PIN 62
158
159static int nand_dev_ready(struct mtd_info *mtd)
160{
161 return gpio_get_value(P2_NAND_RB_GPIO_PIN);
162}
163
164static const char *part_probes[] = { "cmdlinepart", NULL };
165
166static struct platform_nand_data nand_data = {
167 .chip = {
168 .nr_chips = 1,
169 .chip_offset = 0,
170 .options = NAND_SAMSUNG_LP_OPTIONS,
171 .part_probe_types = part_probes,
172 },
173 .ctrl = {
174 .cmd_ctrl = nand_cmd_ctl,
175 .dev_ready = nand_dev_ready,
176 },
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100177};
178
179static struct resource nand_resource = {
180 .start = OMAP_CS3_PHYS,
181 .end = OMAP_CS3_PHYS + SZ_4K - 1,
182 .flags = IORESOURCE_MEM,
183};
184
185static struct platform_device nand_device = {
Ladislav Michl414f5522009-12-11 16:16:33 -0800186 .name = "gen_nand",
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100187 .id = 0,
188 .dev = {
189 .platform_data = &nand_data,
190 },
191 .num_resources = 1,
192 .resource = &nand_resource,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193};
194
195static struct platform_device smc91x_device = {
196 .name = "smc91x",
197 .id = 0,
Ladislav Michl3bc48012009-12-11 16:16:33 -0800198 .dev = {
199 .platform_data = &smc91x_info,
200 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700201 .num_resources = ARRAY_SIZE(smc91x_resources),
202 .resource = smc91x_resources,
203};
204
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100205static struct resource kp_resources[] = {
206 [0] = {
Alistair Buxton372b1c32009-09-18 04:09:39 +0100207 .start = INT_7XX_MPUIO_KEYPAD,
208 .end = INT_7XX_MPUIO_KEYPAD,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100209 .flags = IORESOURCE_IRQ,
210 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211};
212
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +0000213static const struct matrix_keymap_data p2_keymap_data = {
214 .keymap = p2_keymap,
215 .keymap_size = ARRAY_SIZE(p2_keymap),
216};
217
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100218static struct omap_kp_platform_data kp_data = {
Komal Shah4d246072006-09-29 01:59:20 -0700219 .rows = 8,
220 .cols = 8,
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +0000221 .keymap_data = &p2_keymap_data,
Komal Shah4d246072006-09-29 01:59:20 -0700222 .delay = 4,
Janusz Krzysztofikda1f0262010-12-20 21:09:22 +0000223 .dbounce = true,
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100224};
225
226static struct platform_device kp_device = {
227 .name = "omap-keypad",
228 .id = -1,
229 .dev = {
230 .platform_data = &kp_data,
231 },
232 .num_resources = ARRAY_SIZE(kp_resources),
233 .resource = kp_resources,
234};
235
236static struct platform_device lcd_device = {
237 .name = "lcd_p2",
238 .id = -1,
239};
240
241static struct platform_device *devices[] __initdata = {
242 &nor_device,
243 &nand_device,
244 &smc91x_device,
245 &kp_device,
246 &lcd_device,
247};
248
Tony Lindgren3179a012005-11-10 14:26:48 +0000249static struct omap_lcd_config perseus2_lcd_config __initdata = {
Tony Lindgren3179a012005-11-10 14:26:48 +0000250 .ctrl_name = "internal",
251};
252
Tony Lindgrene27a93a2007-12-18 20:58:32 -0800253static struct omap_board_config_kernel perseus2_config[] __initdata = {
Tony Lindgren3179a012005-11-10 14:26:48 +0000254 { OMAP_TAG_LCD, &perseus2_lcd_config },
255};
256
Tony Lindgrenc2cdaff2010-12-07 16:26:55 -0800257static void __init perseus2_init_smc91x(void)
258{
259 fpga_write(1, H2P2_DBG_FPGA_LAN_RESET);
260 mdelay(50);
261 fpga_write(fpga_read(H2P2_DBG_FPGA_LAN_RESET) & ~1,
262 H2P2_DBG_FPGA_LAN_RESET);
263 mdelay(50);
264}
265
Linus Torvalds1da177e2005-04-16 15:20:36 -0700266static void __init omap_perseus2_init(void)
267{
Tony Lindgrenc2cdaff2010-12-07 16:26:55 -0800268 perseus2_init_smc91x();
269
Jarkko Nikulaf2d18fe2008-12-10 17:35:30 -0800270 if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
271 BUG();
Ladislav Michl414f5522009-12-11 16:16:33 -0800272 gpio_direction_input(P2_NAND_RB_GPIO_PIN);
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100273
274 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
275 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
276
Tony Lindgren93c43f22010-07-05 16:31:39 +0300277 /* Mux pins for keypad */
278 omap_cfg_reg(E2_7XX_KBR0);
279 omap_cfg_reg(J7_7XX_KBR1);
280 omap_cfg_reg(E1_7XX_KBR2);
281 omap_cfg_reg(F3_7XX_KBR3);
282 omap_cfg_reg(D2_7XX_KBR4);
283 omap_cfg_reg(C2_7XX_KBC0);
284 omap_cfg_reg(D3_7XX_KBC1);
285 omap_cfg_reg(E4_7XX_KBC2);
286 omap_cfg_reg(F4_7XX_KBC3);
287 omap_cfg_reg(E3_7XX_KBC4);
288
Tony Lindgren9b6553c2006-04-02 17:46:30 +0100289 platform_add_devices(devices, ARRAY_SIZE(devices));
Tony Lindgren3179a012005-11-10 14:26:48 +0000290
291 omap_board_config = perseus2_config;
292 omap_board_config_size = ARRAY_SIZE(perseus2_config);
293 omap_serial_init();
Jarkko Nikula1ed16a82007-11-07 06:54:32 +0200294 omap_register_i2c_bus(1, 100, NULL, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700295}
296
David Brownell277d58e2006-12-06 17:13:59 -0800297static void __init omap_perseus2_init_irq(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700298{
Tony Lindgren87bd63f2006-02-08 22:06:46 +0000299 omap1_init_common_hw();
Tony Lindgren741e3a82011-05-17 03:51:26 -0700300 omap1_init_irq();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700301}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302/* Only FPGA needs to be mapped here. All others are done with ioremap */
303static struct map_desc omap_perseus2_io_desc[] __initdata = {
Deepak Saxena9fe133b2005-10-28 15:19:00 +0100304 {
305 .virtual = H2P2_DBG_FPGA_BASE,
306 .pfn = __phys_to_pfn(H2P2_DBG_FPGA_START),
307 .length = H2P2_DBG_FPGA_SIZE,
308 .type = MT_DEVICE
309 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700310};
311
312static void __init omap_perseus2_map_io(void)
313{
Tony Lindgren87bd63f2006-02-08 22:06:46 +0000314 omap1_map_common_io();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315 iotable_init(omap_perseus2_io_desc,
316 ARRAY_SIZE(omap_perseus2_io_desc));
317
318 /* Early, board-dependent init */
319
320 /*
321 * Hold GSM Reset until needed
322 */
Alistair Buxtonb51988d2009-09-22 07:34:13 +0100323 omap_writew(omap_readw(OMAP7XX_DSP_M_CTL) & ~1, OMAP7XX_DSP_M_CTL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700324
325 /*
326 * UARTs -> done automagically by 8250 driver
327 */
328
329 /*
330 * CSx timings, GPIO Mux ... setup
331 */
332
333 /* Flash: CS0 timings setup */
Alistair Buxtonb51988d2009-09-22 07:34:13 +0100334 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_0);
335 omap_writel(0x00000088, OMAP7XX_FLASH_ACFG_0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700336
337 /*
Adrian Bunk93b1fae2006-01-10 00:13:33 +0100338 * Ethernet support through the debug board
Linus Torvalds1da177e2005-04-16 15:20:36 -0700339 * CS1 timings setup
340 */
Alistair Buxtonb51988d2009-09-22 07:34:13 +0100341 omap_writel(0x0000fff3, OMAP7XX_FLASH_CFG_1);
342 omap_writel(0x00000000, OMAP7XX_FLASH_ACFG_1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700343
344 /*
345 * Configure MPU_EXT_NIRQ IO in IO_CONF9 register,
346 * It is used as the Ethernet controller interrupt
347 */
Alistair Buxtonb51988d2009-09-22 07:34:13 +0100348 omap_writel(omap_readl(OMAP7XX_IO_CONF_9) & 0x1FFFFFFF, OMAP7XX_IO_CONF_9);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700349}
350
351MACHINE_START(OMAP_PERSEUS2, "OMAP730 Perseus2")
Russell Kinge9dea0c2005-07-03 17:38:58 +0100352 /* Maintainer: Kevin Hilman <kjh@hilman.org> */
Russell Kinge9dea0c2005-07-03 17:38:58 +0100353 .boot_params = 0x10000100,
354 .map_io = omap_perseus2_map_io,
Russell King71ee7da2010-05-23 10:18:16 +0100355 .reserve = omap_reserve,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100356 .init_irq = omap_perseus2_init_irq,
357 .init_machine = omap_perseus2_init,
Tony Lindgrene74984e2011-03-29 15:54:48 -0700358 .timer = &omap1_timer,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359MACHINE_END